Addiction is defined as a chronic, relapsing brain disease that is characterized by compulsive drug seeking and use, despite harmful consequences. â  It is considered a brain disease because drugs change the brainâthey change its structure and how it works.ource: From the laboratories of Drs. N. Volkow and H. Schelbert. Addiction is a lot like other diseases, such as heart disease. Both disrupt the normal, healthy functioning of the underlying organ, have serious harmful consequences, and are preventable and treatable, but if left untreated, can last a lifetime.
there is a dog from Africa called a Basenji, it doesn't bark, it sorta yodels. and also the visila from south America is said not to bark Please don't listen to all of the smart arses. Deaf dogs bark very little. But all dogs bark.
Siberian Husky. The Siberian Husky is a beautiful dog breed with a thick coat that comes in a multitude of colors and markings. Their blue or multi-colored eyes and striking facial masks only add to the appeal of this breed, which originated in Siberia. Siberian Huskies can be very destructive both inside and out. 2  If they are left uncrated inside, the breed can destroy a house and cause a wide variety of damage. 3  Outside, they enjoy digging and will dig up yards and flower gardens alike. 4  A dog that is given a place to dig in the yard is much happier and so are you.